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Shashank Bhardwaj

Shashank Bhardwaj

Senior Data Scientist - AI/ML Solutions

INDIA flag
Pune, India
$15.00/hrExpertLabelboxMercorProdigy

Key Skills

Software

LabelboxLabelbox
MercorMercor
ProdigyProdigy
RoboflowRoboflow

Top Subject Matter

No subject matter listed

Top Data Types

Computer Code ProgrammingComputer Code Programming
DocumentDocument
ImageImage
Medical DicomMedical Dicom
TextText
VideoVideo

Top Label Types

Bounding Box
Classification
Computer Programming Coding
Emotion Recognition
Entity Ner Classification
Evaluation Rating
Fine Tuning
Object Detection
Prompt Response Writing SFT
Question Answering
RLHF
Routing
Text Generation
Text Summarization

Freelancer Overview

I have over six years of experience in data science and AI, with a strong focus on building and optimizing machine learning and NLP solutions. My background includes designing end-to-end data pipelines, developing and deploying models for natural language processing, computer vision, and data analytics, and ensuring high-quality training data through robust preprocessing, validation, and annotation strategies. I am proficient in Python, PyTorch, TensorFlow, and cloud platforms like AWS and Azure, and have hands-on experience with tools such as NLTK, SpaCy, Hugging Face, and OpenCV. My projects have ranged from reviewer recommendation systems using BERT and NER to multi-agent AI frameworks for medical appointment booking, where data integrity and accurate labeling were critical. I am passionate about leveraging my expertise to deliver reliable, scalable AI solutions powered by high-quality, well-annotated data.

ExpertEnglishHindi

Labeling Experience

Roboflow

Data Labeling - Project

RoboflowImageClassificationFine Tuning
Labelled brand logos on un stable platforms like player jersey, helmet, and surfaces from live video footage for fine tuning vision models

Labelled brand logos on un stable platforms like player jersey, helmet, and surfaces from live video footage for fine tuning vision models

2025 - 2025
Roboflow

Sr. Associate Technology - AI/ML/Data Science

RoboflowTextClassification
As a Sr. Associate Technology - AI/ML/Data Science at Synechron, I curated diverse datasets for financial NLP tasks and defined strict annotation guidelines to minimize labeler ambiguity. I designed data ingestion workflows for multi-agent systems, ensuring high-quality ground truth for financial decision models. Automated data validation checks were implemented within Airflow pipelines to detect drift and schema anomalies before labeling. • Led definition of annotation schemas for NLP classification of financial data • Implemented workflow automation to ensure label quality and consistency • Minimized ambiguity via detailed labeling policies and continuous feedback • Oversaw end-to-end curation, validation, and preparation of training datasets

As a Sr. Associate Technology - AI/ML/Data Science at Synechron, I curated diverse datasets for financial NLP tasks and defined strict annotation guidelines to minimize labeler ambiguity. I designed data ingestion workflows for multi-agent systems, ensuring high-quality ground truth for financial decision models. Automated data validation checks were implemented within Airflow pipelines to detect drift and schema anomalies before labeling. • Led definition of annotation schemas for NLP classification of financial data • Implemented workflow automation to ensure label quality and consistency • Minimized ambiguity via detailed labeling policies and continuous feedback • Oversaw end-to-end curation, validation, and preparation of training datasets

2025
Prodigy

Data Scientist

ProdigyTextEntity Ner Classification
As a Data Scientist at 3K Technologies Pvt. Ltd., I oversaw the annotation of large-scale corpora for entity extraction and summarization in specialized domains. I developed semi-automated labeling pipelines using Large Language Models (LLMs) to pre-label text, reducing manual annotation time substantially. I collaborated with subject matter experts to refine the taxonomy and ontology for medical and business datasets. • Directed team annotation projects for high-volume NER and classification tasks • Built and optimized pre-labeling pipelines leveraging LLM technology • Addressed class imbalance with synthetic data generation strategies • Ensured data quality through expert review and iterative label refinement

As a Data Scientist at 3K Technologies Pvt. Ltd., I oversaw the annotation of large-scale corpora for entity extraction and summarization in specialized domains. I developed semi-automated labeling pipelines using Large Language Models (LLMs) to pre-label text, reducing manual annotation time substantially. I collaborated with subject matter experts to refine the taxonomy and ontology for medical and business datasets. • Directed team annotation projects for high-volume NER and classification tasks • Built and optimized pre-labeling pipelines leveraging LLM technology • Addressed class imbalance with synthetic data generation strategies • Ensured data quality through expert review and iterative label refinement

2021 - 2025
Roboflow

Junior Software Scientist

RoboflowImageBounding Box
At Trendzlink Technologies Pvt. Ltd., I managed end-to-end image annotation workflows for object detection projects using Roboflow. Using advanced augmentation techniques, I expanded training datasets and improved model generalization. My work on quality assurance and correction of bounding box alignments and segmentation masks led to substantial model accuracy gains. • Coordinated large-scale image labeling campaigns for object detection • Applied augmentation (rotation, occlusion, noise) for data enrichment • Performed hands-on QA, correcting annotation errors and inconsistencies • Directly contributed to model improvement through high-quality data labeling

At Trendzlink Technologies Pvt. Ltd., I managed end-to-end image annotation workflows for object detection projects using Roboflow. Using advanced augmentation techniques, I expanded training datasets and improved model generalization. My work on quality assurance and correction of bounding box alignments and segmentation masks led to substantial model accuracy gains. • Coordinated large-scale image labeling campaigns for object detection • Applied augmentation (rotation, occlusion, noise) for data enrichment • Performed hands-on QA, correcting annotation errors and inconsistencies • Directly contributed to model improvement through high-quality data labeling

2019 - 2021

Education

A

Ajeenkya DY Patil University

Bachelor of Technology, Information Technology

Bachelor of Technology
2020 - 2020

Work History

S

Synechron

Senior Associate Technology, AI/ML/Data Science

Pune
2025 - Present
3

3K Technologies Pvt. Ltd.

Data Scientist

Hyderabad
2021 - 2025